public void Should_Replace_Emojis_In_Text()
{
// Given, When
var result = Emoji.Replace("Hello :globe_showing_europe_africa:!");
// Then
result.ShouldBe("Hello 🌍!");
}
public static Paragraph Parse(string text, Style?style = null)
{
if (text is null)
{
throw new ArgumentNullException(nameof(text));
}
style ??= Style.Plain;
var result = new Paragraph();
using var tokenizer = new MarkupTokenizer(text);
var stack = new Stack <Style>();
while (tokenizer.MoveNext())
{
var token = tokenizer.Current;
if (token == null)
{
break;
}
if (token.Kind == MarkupTokenKind.Open)
{
var parsedStyle = StyleParser.Parse(token.Value);
stack.Push(parsedStyle);
}
else if (token.Kind == MarkupTokenKind.Close)
{
if (stack.Count == 0)
{
throw new InvalidOperationException($"Encountered closing tag when none was expected near position {token.Position}.");
}
stack.Pop();
}
else if (token.Kind == MarkupTokenKind.Text)
{
// Get the effecive style.
var effectiveStyle = style.Combine(stack.Reverse());
result.Append(Emoji.Replace(token.Value), effectiveStyle);
}
else
{
throw new InvalidOperationException("Encountered unkown markup token.");
}
}
if (stack.Count > 0)
{
throw new InvalidOperationException("Unbalanced markup stack. Did you forget to close a tag?");
}
return(result);
}